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Night

 
 

Intro - Top 10 Animals After Dark

By Jessika Toothman, HowStuffWorks.com
 
lions at sunset

Many animals follow the circadian cycle natural to humans, i.e., they wake with the dawn and slumber while the moon is out. However, some animals rise when night falls and spend the moonlight hours active and, in many cases, aggressive.

Take an in-depth look at what some of these animals are doing while darkness cloaks the planet. 

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#10: When Humboldt Squid Squirm 






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